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Turnlock Fastener Stud Assembly

Model / MPN: 4S15-10 | NSN: 5325-00-574-6645
ITAR Registered seal

A stud, turnlock fastener over which may be assembled an eyelet, turnlock fastener. Stu (s) without cam slots or cam lead threads are provided with a crosspin or eared nut for locking with the mating receptacle, turnlock fastener. May be spring loaded. For like items having a threaded fastener, see screw assembly, panel or screw, panel fastener.

Product Details
NATO Stock Number
5325-00-574-6645
Sold in multiples of
10 EA
DEMIL
NO
Diameter
0.380 inches
Turnlock Stud Head Style
Flat countersunk
Stud Assembly Style
Stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head
Between 0.839 inches and 0.854 inches
Eyelet Outside Diameter
Between 0.3735 inches and 0.3745 inches
Eyelet Length
Between 0.474 inches and 0.480 inches
Material Accommodated Thickness
Between 0.358 inches and 0.457 inches
Drive Type
Cross recess
Material
Steel comp 4130 eyelet
Material
Stainless steel ejector spring
Material
Steel comp 8740 stud or steel comp 4037 stud
Material Specification
Ams 5678 assn standard single material response ejector spring
Material Specification
Mil-s-6047 military specification 1st material response stud or astm 547 assn standard 2nd material response stud
Material Specification
Stm a331 assn standard single material response eyelet
Surface Treatment
Cadmium stud and chromate stud
Surface Treatment
Cadmium eyelet and chromate eyelet
Surface Treatment
Passivate ejector spring
Surface Treatment Specification
Qq-p-35 federal specification single treatment response ejector spring
Surface Treatment Specification
Qq-p-416, cl 2, type 2 federal specification single treatment response eyelet
Surface Treatment Specification
Qq-p-416, cl 2, type 2 federal specification single treatment response stud

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4S15-10 Cross Reference
  • 50-043-1P10
  • 4S15-10